1879.] NATURAL SCIENCES OF PHILADELPHIA. 401 



Cuba (Martens), Gulf of Fonseca, west coast Nicaragua! (Mc- 

 Niel), Panama (Smith). 



Genus GRAPSUS Lamarck. 

 Grapsus maculatus Edw. 



Pagnrus maculatus Catesby, Natural History of the Carolmas, ii. pi. 



xxxvi. f. 1. 2d edit., 1. c. 

 Cancer grapsus Fabr., Suppl., p. 342. 



Grapsus pictus Latr., Hist. Crust, et Ins., vi. p 69, pi. 47, f. 2. 

 Qoniopsis pictus De Haan, Fauna Japonica, Crustacea, p. 33 (1833). 

 Grapsus maculatus M. Edw., Am. Sei. Nat. III., xx. p. 167, pi. vi. f. 6. 

 Grapsus altifrons Stm., Ann. Lye., vii. p. 230. 



Specimens were collected at Plantation Key, Fla. According 

 to Martens, the Cancer tenuieristata of Herbst, on examination of 

 his types, proves to be Grapsus rudis, Edw., from the East Indies. 



Santa Cruz! (Charles, Lawrence), Cuba (Saussure, Martens), 

 Guadeloupe (Desbonne), Tortugas (Stm.), Madiera, Cape Verdes, 

 Peru, Paumotu Is., Sandwich Is. (Dana), C. St. Lucas (Stm.), 

 Mazatlan (Saussure), Gallapagos Is. (Miers), Chili (Nicolet), 

 Tahiti ! (A. Garrett). 



Genus PLAGTJSIA Latreille, Miers. 



The species of this genus have been recently revised by Mr. 

 Miers (Ann. and Mag. Nat. Hist., Feb. 1878, pp. 147-154). 



Plagusia depressa Say. 



t Cancer depressus Fabr.; ? Cancer squamosns Herbst; Plagusia sayi 

 Dekay ; Plagusia squamosa Latr. ; Plagusia gracilis Sauss. 



A single specimen (length 42.2, breadth 45.2 mm.) was found at 

 Plantation Key. 



Sub-Family Sesarminae. 



Genus SESARMA Say. 

 Sesarma cinerea Sny. 



Grapsus cinereus Bosc, op. cit., edit. 1, p. 204, pi. v. f. 1 (teste auct.). 

 Sesarma cinerea, Say, 1. c., i. p. 442 (non Grapsus cinereus, p. 99), 

 Edw., Hist. Crust., ii. p. 75. 



Northampton Co., Va., Beaufort, N. C, Sarasota and Little 

 Sarasota Bays, Florida. 



Sesarma reticulata Say. 



Sesarma reticulata Say, 1. c., i. pp. 73, 76, 442, pi. iv. f. 6 ; Edw., Ann. 



Sci. Nat., III. xx. 182. 

 Sesarma cinerea Dekay, op. cit., p. 15. 



Northampton Co., Va., and Little Sarasota Bay, Fla. 



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